通过对裂解C5中双环戊二烯的提纯，其余组分加氢精制作为生产乙烯裂解原料。 增加了乙烯裂解原料的来源。
Dicyclopentadiene in Pyrolysis C5 were pirst purified, other components were obtained through hydrofining process as cracking raw material to produce ethylene in order to in crease source of ethylene.
本文在840 ~ 950k范围内应用单脉冲化学激波管测定环氧氯丙烷的裂解反应动力学。
The chemical kinetics for the pyrolysis of epichlorohydrin was studied by single pulse shock tube in 840-950k.
从环戊二烯和双环戊二烯的利用、异戊二烯的利用、间戊二烯的利用以及C5石油树脂的利用等几方面分析裂解c5的综合利用。
From the application of cyclopentadiene, dicyclopentadiene, isoprene and piperylene and the application of C5 petroleum resin, the paper analyzes the comprehensive application of cracking C5.
双环戊二烯(DCPD)是裂解C_5馏分中的一种二烯烃，是一种重要的化工原料。
Dicyclopentadiene (DCPD) was a kind of dienes contained in cracking C_5 fraction and it was an important kind of raw material in chemical industry.
结果表明：胆甾醇酯的EI质谱裂解途径主要由甾环决定，各化合物谱图之间几乎无差别；
The result shows that EI fragmentation process of cholesterol esters is determined mostly by the steroid nucleus, and there is almost no difference among the mass spectra of various compounds.
双环戊二烯主要来自石油裂解制乙烯副产物的C5馏分和煤炭焦化副产物。
Dicyclopentadiene (DCPD) mostly comes from the C5 fraction of by-product which is produced in the process of preparation of ethylene by petroleum cracking and by-product of the coal-coking process.
吲哚胺2，3双加氧酶（IDO）是一种免疫调节酶，可催化色氨酸分子中吲哚环氧化裂解，从而沿犬尿酸途径分解代谢的限速酶。
The immunoregulatory enzyme indoleamine 2,3-dioxygenase (IDO) catalyzes the oxidative cleavage of the indole ring of tryptophan.
该催化剂在较低的反应温度下，具有高的饱和稠环芳烃的能力和较小的裂解性能。
The results indicated that the RJW-1 catalyst has a high activity for the saturation of polyaromatics at low temperature and a low cracking capability and good stability.
测定了降解途径中相关酶的活性，表明对氯苯胺经过苯胺双加氧酶初始氧化和羟基化后，芳环的裂解是由邻苯二酚2 ，3双加氧酶催化。
Enzymatic analysis show that initial reactions ofp-chloroaniline degradation by Diaphorobacter sp. PCA039 are catalyzed by aniline dioxygenase and chlorocatechol 2,3-dioxygenase.
测定了降解途径中相关酶的活性，表明对氯苯胺经过苯胺双加氧酶初始氧化和羟基化后，芳环的裂解是由邻苯二酚2 ，3双加氧酶催化。
Enzymatic analysis show that initial reactions ofp-chloroaniline degradation by Diaphorobacter sp. PCA039 are catalyzed by aniline dioxygenase and chlorocatechol 2,3-dioxygenase.
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